package com.edu.web.servlet;

import java.io.IOException;
import java.util.Arrays;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.edu.service.UserService;
import com.edu.service.impl.UserServiceimpl;




@WebServlet("/DelAllServlet")
public class DelAllServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
   
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		request.setCharacterEncoding("UTF-8");
		String[] str=request.getParameterValues("checkBox");
		System.out.println(str);
		String a = Arrays.toString(str);
		System.out.println(a);
		String b = a.substring(1, a.length()-1);
		System.out.println(b);
		UserService userservice=new UserServiceimpl();
        userservice.GradeDel(b);
        response.sendRedirect("grade.jsp");
		
	}

}
